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AOP for Mootools
/*
---
name: kenta.AOP
description: AOP for MooTools 1.3
version: 1.1
license: MIT-style license.
copyright: Carlesso Cristian
requires: Events, Class.PatternMutators
provides: [AOP]
...
*/
AOP = new (new Class({
Implements:[Events],
_call : 0,
getCallNumber : function() {
var _call = 0 + this._call++;
return _call;
}
}));
Class.defineMutator(new RegExp("^((?!(" +(function(){
var current = [];
for(var m in Class.Mutators){
var desc = ''+m;
if(desc.split('')[0] != '$'){
current.push(desc);
}else{
var extract = desc.replace("$mutator:/","");
current.push(extract.substring(0,extract.length-1));
}
}
return current.join('|');
})()+ ")).*)$"), function(fn, name) {
var wrapFN = function(fn){
return function() {
var parameter = {
description: this.Aspect,
uniqueID:$uid(this),
name : name,
params: arguments,
callno: AOP.getCallNumber()
};
if ('Aspect' in this) {
//PRE
AOP.fireEvent('pre', parameter);
if (parameter.cancel) {
return;
}
if (parameter.returnthis) {
return parameter.returnthis;
}
}
parameter.result = fn.apply(this, arguments);
if ('Aspect' in this) {
//POST
AOP.fireEvent('post', parameter);
if (parameter.cancel) {
return;
}
if (parameter.returnthis) {
return parameter.returnthis;
}
}
return parameter.result;
};
};
if (name == "implement") {
var imp = this.implement;
var me = this;
this.implement = function(key, value) {
if (typeOf(key) == 'string' && typeOf(value) == 'function') {
imp.apply(me, [ key, wrapFN(value) ]);
return me;
}
return imp.apply(me, arguments);
}
} else {
if (typeOf(name) == 'string' && typeOf(fn) == 'function') {
this.prototype[name] = wrapFN(fn);
} else {
this.prototype[name] = fn;
}
}
})
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